setlhakokgotso8 setlhakokgotso8

22-09-2021
Mathematics

contestada

Solve the following equations:
a,3x+4=31
b,3b-36=0
c,2(x-3)=-12
d,3a-1=32

Respuesta :

sohylarlessam66 sohylarlessam66

22-09-2021

Answer:

A) 9. B) 12. C) - 3. D) 11

Step-by-step explanation:

3x+4=31

3x=31-4

3x=27

X=9

.....

3b-36=0

3b=36

B=12

.....

2(x-3)=-12

2x-6=-12

2x=-12+6

2x=-6

X=-3

......

3a-1=32

3a=32+1

3a=33

A=11

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